Corn pad and plaster



July 5, 1 938. l w. L. scHRADER 2,123,121

I CORN PAD AND FLASTER Filed April l5, 1935 Patented `uly 5, 1938 UNITEDSTATES PATENT OFFICE 13 Claims.

This invention is a pad or plaster for treating and removing corns,bunions, callous spots, and the like, and to protect the affected partsfrom pressure due to confinement of the foot of the wearer within ashoe, and/or While walking.

Heretofore one form of so-called corn and bunion pad or plaster has beenconstructed of a felt ring-like pad having a layer of adhesive on itsunder surface, by means of which the pad is caused to adhere to the skinof the wearer. On the top of the pad is a strip of adhesive tape,extended in opposite directions from the pad, so that the latter may bebound to a toe, or other portion of the foot. A bit of medicated salve`1`5 carried by the adhesive tape is dropped inside of the felt ring, insuch manner as to contact with thecorn, or other affected part. Thistype of pad, however, is objectionable in that the heat of the footsoftens the salve, causing it to ooze through the strip of adhesivetape, and to stick to the stocking of the wearer. n

Another form of corn pad or plaster heretofore in use is constructed ofa plurality of superposed layers of. adhesive tape of ring-like form,and a superposed top layer of the same material covering the opening.This type of'pad, however,

is also objectionable, because the heat emanating from the wearers footsoftens the adhesive material, whereupon there is a relative slippage orskidding" of the layers, exposing sticky surfaces, and transferring thesoftened sticky material to the stocking. This relative sliding of thelayers also destroys the cavity which is provided to receive thecorn,and to maintain the medicated material in position over the corn,thereby also destroying the protective shoulder which prevents the shoeof the wearer from pressing on the corn.

Another objectionable characteristic of pads or plasters of thecharacter referred to is that the exposed surfaces of the coverings aremore or less rough and harsh, and while in use, the friction is such asto frequently wear holes in the stocking of the wearer. In addition tothis, such coverings are usually stiff and lacking in flexibility, tosuch an extent as to create discomfort while in use.

One of the objects of the present invention is to overcome the foregoingobjections by providing a pad or plaster constructed of a single layerof ro fabric, provided with an impermeable top secured thereto in suchmanner that there will be no skidding or separation of layers to exposeportions of the sticky adhesive, and so that the stocking of the weareris completely protected from such injury as would result from contactwith (Cl. 12S-153) A further object of the invention is to provide 10 acorn pad or plaster, the body of which is formed of a single piece ofwoven fabric provided with an adhesive coating on its underside, andwith a top covering of impermeable material.

A further object of. the'invention is to provide a 15 pad or plaster,such as above referred to, in which the material of the body possesses acharacteristic softness, so that when the pad is subjected to pressure,the fabric is squeezed radially inward and outward, but the body of thepad does 20 not skid or move with respect to the surface to which it isadhering.

An additional object of the invention is to provide a pad or plaster ofthe class mentioned, in which the body is formed of a woven material 25possessing inherent resiliency under compression, whereby the tendencyto become hard under pressure is reduced to a minimum.

A further object is to provide a corn pad or plaster comprising a wovenbody so constructed and arranged that under pressure a protective fringewill be squeezed from the middle portion of the pad, to which willadhere any softened free adhesive which may be squeezed out of the pad,as well as any softened medicated material, and any moisture which mightdevelop within the space enclosed by the pad.

Another object of the invention is to provide a corn pad or plaster inwhich the base or body is formed of a multi-woven material, i. e., oneconsisting of a single thickness fabric produced by means of a pluralityof weaves, so that the lower surface of. the pad, which contacts withthe foot, is more nely woven than the upper surface to which thewaterproof cover adheres, and an absorptive zone is provided between thetwo surfaces.

The invention will be hereinafter fully set forth and particularlypointed out in the claims.

In the accompanying drawing: 50

Figure 1 is a vertical cross sectionalview illustrating a padconstructed in accordance with the invention, with a medicated disk inits operative position with respect thereto. Figure 2 is a bottom planView of the woven pad body illustrating l55 the finely woven surface.Figure 3 is a top plan view of the woven pad body illustrating the morecoarsely woven top surface. Figure 4 is a horizontal sectional viewillustrating the multwoven fabric from which the pad body is made.Figures 5 and 6 are similar views of modified fabrics.

Referring to the drawing, II) designates a onepiece woven body or padbase provided with an opening Il!a therein. The base is constructed ofring-like form of any desired contour, an elliptical form being shownfor purposes of illustration, but without intent to limit the inventionto that particular shape. Said body may be made from any desired wovenmaterial characterized by any suitable form of weave capable ofproducing the characteristic softness, resiliency and absorptivequalities required for the purposes hereinafter discussed. It ispreferred, however,to' form the` 4; Referring more particularly to saidFigure 4,

the fabric is shown as having a woven top. layer of relatively coarsefibers or yarns II, and a .Woven bottom layer of Y relatively ne bers oryarns I2. The two weaves may be joined into a unitary structure duringfabrication in any well known manner, a tie yarn I3 being shown asillustrative of one method well understood in the weaving art. By thisarrangement, the nished fabric is provided with a lower face I4 offinely woven material, as shown in Figure 2, anda top face I5 ofcoarsely woven material, as shown in Figure 3.

Attached to the coarsely woven upper face of the'body I0, in any desiredmanner, is an impervious covering of any preferred materiall, whichpossesses the necessary softness, smooth- .ness and ilexibility, and theimpermeability required to protect the stocking of the wearer from softsticky substances which would ooze through the covering if the coveringwere not constructed to prevent it. The impermeability of the cover mustalsobe of such a character that the exposed surfacethereof will notbecome soft or sticky due to contact with extraneous moisture, caused bybathing of the foot, for instance. Obviously va soggy or water-soakedsurface would make it diflicult to draw a stocking over the foot. Forpurposes of illustration and without intent to limit the inventionthereto, theY drawing dis- 'closes a sheet of rubber I6, vulcanized toone surface of a nely woven cotton or other similar fabric I'I, theother surface of the covering fabric being cemented to the coarselywoven top 'face I5 of the body I0, by means of any suitable adhesive,indicated atV I8, capable of maintaining the necessary union between thefabrics. The nely woven surface I4 is coated with an adhesive I9. Itwill also be understood that the adhesives are absorbed by the edges ofthe fabric to a sufficient extent to prevent raveling of said edges.

If a fabric body of greater thickness than that produced by thefabricillustrated in Figure 4 is desired, the form of fabric illustratedin Figure 5 may be employed. Referring to said Figure 5, it will beobserved thatV the fabric consists of the coarsely woven layer I Ia andthe finely woven layer I2a similar to the top and bottom layersillustrated in Figure 4. An intermediate woven layer 20 is interposedbetween the layers Il@ and I2a, the intermediate layer preferably beingabout the same thickness as the layer I Ia. The three layers .are boundtogether by a tie yarn I3, in a manner alreadydescribed in connectionwith Figure 4. This fabric provides a body which, being thicker andheavier than the body illustrated in Figure 4, is more adapted forheavier and rougher usage, while at the same time preserving therequired resiliency and softness, in addition to the unitary sheetconstruction, which is an important factor in preventing side slippageor skidding. It will also be noted that the intermediate layer 20provides a greater absorptive Zone than is provided by the constructionillustrated in Figure 4. If, however, it is desired to increase theresiliency of the woven material, as well as its softness and absorptivecharacteristics, the intermediate weave 20a of Figure 6 may besubstituted for that of Figure 4. It will be observed that the layer201L is more loosely woven from a coarser yarn than the layer Ila,thereby providing an intermediate layer of much softer weave and onewhich, by reason of its openness, is more absorptive than the others.This coarser intermediate layer also provides a cushioning effect, andwill readily absorb any extruded adhesive material due to the pressureupon the pad, and thereby protect .the hosiery of the wearer fromdamage.

In practice, the pad or plaster may be used with or without themedicated disk 2l, which contains well known ingredients tending toattack and destroy corns and similar affections. Said disk also containsan adhesive by which it may be placed over and caused to adhere to thecorn.` Obviously, if the diskis to be used, it is applied to theaffected part before placing the pad in position, and the relativeproportions of the parts are such that the disk is adjacent to theintermediate absorptive zone of the pad, so that in the event of meltingor flowing of the disk under heat and pressure incident to the use ofthe pad, the impermeable top of the pad will Arst thoroughly cleansedand dried, so that when the adhesive I9 is pressed against the skin, itwill Aadhere with suflicient tenacity to prevent .slipping of the pad.

The advantages of the invention will be readily understood by thoseskilled in the art to which .it belongs. For instance, the naturalresiliency of the woven fabric resists compression to a sufficientextent to prevent the pad from being mashed into a hard mass, which willpress into the esh of the wearer. It will also prevent the breaking downand destruction of the protective shoulder of the pad which protects thecorn against pressure by the shoe of the wearer. In

Aaddition to the foregoing, the natural flexibility of the body I0allows it to readily conform to the contour of the affected parts beingtreated, and its inherent softness prevents discomfort while in use.Another advantage is that the impermeable cover maintains the moisturewithin the space enclosed by the pad and prevents any lsoftened adhesivefrom the pad and the cover,

or any softened material from the medicated disk from seeping throughthe top of the pad and contacting with the stocking of the wearer.Should any perspiration or body moisture and/or vsoftened adhesiveaccumulate within the pad opening, it will Abe absorbed by theintermediate portion of the fabric lying between the top and ding, suchas occurs with pads made up of a plurality of superposed layers, and aparticular advantage in this respect is that the adhesive which attachesthe waterproof cover to the pad contacts with the relatively coarselywoven fabric, so that it penetrates well into the fabric and therebyadheres withsuch a firm hold and with such tenacity that relativeslippage of the waterproof cover with respect to the pad body ispractically impossibile.

Another advantage is that in all of the forms of the fabric disclosed,there is a finely woven surface for contacting with the flesh of thewearer, and a more coarsely woven surface is provided for receiving theadhesive by which the waterproof cover is attached. There is also anintermediate absorptive zone between the two surfaces, the purposes ofwhich have been fully deering has been described for purposes ofillustration as consisting of rubberized fabric, the invention is notlimited in this particular.

This application is a continuation in part of application Serial No.705,575, filed January 6, 1934.

Having thus explained the nature of the invention and described anoperative manner of constructing and using the same, although withoutattempting to set forth all of the forms in which it may be made, or allof the forms of its use, what is claimed is:

l. A pad of the character described comprising a body portion consistingof a single piece of woven material so shaped as to provide a ringlikebody encircling an open space, and an impermeable -covering attached tothe top face of said body in such manner as to extend over andcompletely cover said space, said ring-like body having a zone betweenits top and bottom surfaces which is softer than either of saidsurfaces.

2. A pad of the character described comprising a single layer ofmulti-woven fabric so shaped as` to provide a ring-like body encirclingan open space, and an impermeable covering attached to one face of said.body in such manner as to extend over and completely cover said openspace.

3. A pad of the character described comprising a single layer ofmulti-woven fabric constructed of two or more superposed connected pliesand so shaped as to provide a ring-like body encircling an open space,the woven ply at one surface being finer than the woven ply at the othersurface, and an impermeable covering attached to the coarser surface ofsaid body in such manner as to extend over and completely cover saidopen space.

4. A pad of the character described comprising a single layer ofmulti-woven fabric formed of two or more superposed integrally connectedplies, and so shaped as to provide a ring-like body encircling an openspace, the woven ply at one surface being finer than the woven ply atthe other surface, said multiply fabric having an absorptive Zonebetween said surfaces and surrounding said open space, and animpermeable covering attached to one face of said body in such manner asto extend overand completely cover said open space.

5. A pad of the character described comprising a single layer ofmulti-woven fabric formed of two or more superposed integrally connectedplies, the woven fabric at one surface being finer than the woven layerat the other surface, the fabric between said surfaces being softer thanat either of said surfaces, said fabric being so shaped as to provide aring-like body encircling an open space, and an impermeable coveringattached to the exposed face of the coarser ply of said body in suchmanner as to extend over and completely cover said open space.

6. A pad of the character described comprising a single layer ofmulti-Woven fabric formed of two or more superposed integrally connectedwoven plies, the ply at one surface being finer than the ply at theother surface, said fabric being so shaped as to provide a ring-likebody encircling an open space, an adhesive coating carried by the finelywoven surface, and a covering of impermeable material adhering to themore coarsely woven surface and so disposed as to extend over andcompletely cover said open space.

'7. A pad of the character described comprising a single layer ofmulti-woven fabric so shaped as to provide a ring-like body encirclingan open space, an adhesive coating carried by the under surface of saidbody, and a sheet of rubberized fabric adhering to the top surface ofsaid body and so positioned as to extend over and completely cover saidopen space.

8. A pad of the character described comprising a body portion consistingof a single layer of woven material including two or more distinct wovenplies integrally connected, one of said plies being coarsely woven andanother ply finely woven, said material being so shaped as to provide aring-like body encircling an open space, and a rubberized Waterproofcovering applied to the coarsely woven ply of the body in such manner asto extend over and completely cover said open space.

9. A corn pad comprising a cover and a unitary single-layer multi-wovenbody formed of a plurality of woven plies, one of which is adapted toprovide a cushioning effect for the pad and another adapted to provide agripping effect on said cover to prevent sliding of the cover relativelyto the body, said body being of ring-like form encircling an open space,said cover extending over and completely covering said space.

10. A cornpad comprising a single layer of multi-woven fabric providedwith three integrally connected woven plies, said fabric being so shapedas to provide a ring-like body encircling an open space, and a coveringattached to the top face of said body in such manner as to extend overand completely cover said space.

1l. A pad of the character described comprising a single layer ofmulti-woven fabric provided with three superposed integrally connectedplies, the woven ply at one surface being finer than the woven ply atthe other surface, said fabric being so shaped as to provide a ring-likebody encircling an open space, and a covering attached ,to the top 'faceof said body in such manner as .to extend 13. Apadofwthe characterdescribed comprising a sing-1e layer of V'multi-Woven fabric formed.with three superposed integrally connected Woven plies., theintermediate ply being of coarser, more loosely .woven yarn than theother plies, said fabric being -so shaped as to provide a ring-like bodyencircling anopen space, and a covering attached to the top face of saidbody in such manner as to extend over and completely cover said openspace.

f WILLIAM L. SCHRADER.

